
Ryan Day of Wales competes during his first round match against Xiao Guodong of China during the World Snooker Championship 2017 at the Crucible Theatre in Sheffield, Britain, on April 19, 2017. (Xinhua/Jon Buckle)

Ryan Day of Wales competes during his first round match against Xiao Guodong of China during the World Snooker Championship 2017 at the Crucible Theatre in Sheffield, Britain, on April 19, 2017. (Xinhua/Jon Buckle)